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View Full Version : My furnace only blows cool air


brighteyesna
Feb 23, 2007, 09:37 AM
I just bought a townhouse, and last weekend the furnace worked fine. Now, all that I get out of the registers is cool air. The furnace ran almost all night, but no warm air at all. What might the problem be?

doodaman
Feb 23, 2007, 11:54 AM
My comfort maker furnace only blow cold air when it come on it don't lightup

labman
Feb 23, 2007, 02:01 PM
I think you both need to go to the sticky at the top of the forum, https://www.askmehelpdesk.com/heating-air-conditioning/heating-cooling-maintenance-repair-troubleshooting-frequently-asked-questions-58313.html Use the info there to better identify your system and at what point it is failing. If you don't find the answer there, post back with more details.